drivers/net/wireless/ath/ath9k/debug.c

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include <linux/slab.h>
  18 #include <linux/vmalloc.h>
  19 #include <linux/export.h>
  20 #include <linux/relay.h>
  21 #include <asm/unaligned.h>
  22
  23 #include "ath9k.h"
  24
  25 #define REG_WRITE_D(_ah, _reg, _val) \
  26         ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
  27 #define REG_READ_D(_ah, _reg) \
  28         ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
  29
  30
  31 static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
  32                                       size_t count, loff_t *ppos)
  33 {
  34         u8 *buf = file->private_data;
  35         return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
  36 }
  37
  38 static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
  39 {
  40         vfree(file->private_data);
  41         return 0;
  42 }
  43
  44 #ifdef CONFIG_ATH_DEBUG
  45
  46 static ssize_t read_file_debug(struct file *file, char __user *user_buf,
  47                              size_t count, loff_t *ppos)
  48 {
  49         struct ath_softc *sc = file->private_data;
  50         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  51         char buf[32];
  52         unsigned int len;
  53
  54         len = sprintf(buf, "0x%08x\n", common->debug_mask);
  55         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
  56 }
  57
  58 static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
  59                              size_t count, loff_t *ppos)
  60 {
  61         struct ath_softc *sc = file->private_data;
  62         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  63         unsigned long mask;
  64         char buf[32];
  65         ssize_t len;
  66
  67         len = min(count, sizeof(buf) - 1);
  68         if (copy_from_user(buf, user_buf, len))
  69                 return -EFAULT;
  70
  71         buf[len] = '\0';
  72         if (kstrtoul(buf, 0, &mask))
  73                 return -EINVAL;
  74
  75         common->debug_mask = mask;
  76         return count;
  77 }
  78
  79 static const struct file_operations fops_debug = {
  80         .read = read_file_debug,
  81         .write = write_file_debug,
  82         .open = simple_open,
  83         .owner = THIS_MODULE,
  84         .llseek = default_llseek,
  85 };
  86
  87 #endif
  88
  89 #define DMA_BUF_LEN 1024
  90
  91
  92 static ssize_t read_file_ani(struct file *file, char __user *user_buf,
  93                              size_t count, loff_t *ppos)
  94 {
  95         struct ath_softc *sc = file->private_data;
  96         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
  97         struct ath_hw *ah = sc->sc_ah;
  98         unsigned int len = 0, size = 1024;
  99         ssize_t retval = 0;
 100         char *buf;
 101
 102         buf = kzalloc(size, GFP_KERNEL);
 103         if (buf == NULL)
 104                 return -ENOMEM;
 105
 106         if (common->disable_ani) {
 107                 len += snprintf(buf + len, size - len, "%s: %s\n",
 108                                 "ANI", "DISABLED");
 109                 goto exit;
 110         }
 111
 112         len += snprintf(buf + len, size - len, "%15s: %s\n",
 113                         "ANI", "ENABLED");
 114         len += snprintf(buf + len, size - len, "%15s: %u\n",
 115                         "ANI RESET", ah->stats.ast_ani_reset);
 116         len += snprintf(buf + len, size - len, "%15s: %u\n",
 117                         "SPUR UP", ah->stats.ast_ani_spurup);
 118         len += snprintf(buf + len, size - len, "%15s: %u\n",
 119                         "SPUR DOWN", ah->stats.ast_ani_spurup);
 120         len += snprintf(buf + len, size - len, "%15s: %u\n",
 121                         "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
 122         len += snprintf(buf + len, size - len, "%15s: %u\n",
 123                         "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
 124         len += snprintf(buf + len, size - len, "%15s: %u\n",
 125                         "MRC-CCK ON", ah->stats.ast_ani_ccklow);
 126         len += snprintf(buf + len, size - len, "%15s: %u\n",
 127                         "MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
 128         len += snprintf(buf + len, size - len, "%15s: %u\n",
 129                         "FIR-STEP UP", ah->stats.ast_ani_stepup);
 130         len += snprintf(buf + len, size - len, "%15s: %u\n",
 131                         "FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
 132         len += snprintf(buf + len, size - len, "%15s: %u\n",
 133                         "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
 134         len += snprintf(buf + len, size - len, "%15s: %u\n",
 135                         "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
 136         len += snprintf(buf + len, size - len, "%15s: %u\n",
 137                         "CCK ERRORS", ah->stats.ast_ani_cckerrs);
 138 exit:
 139         if (len > size)
 140                 len = size;
 141
 142         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 143         kfree(buf);
 144
 145         return retval;
 146 }
 147
 148 static ssize_t write_file_ani(struct file *file,
 149                               const char __user *user_buf,
 150                               size_t count, loff_t *ppos)
 151 {
 152         struct ath_softc *sc = file->private_data;
 153         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 154         unsigned long ani;
 155         char buf[32];
 156         ssize_t len;
 157
 158         len = min(count, sizeof(buf) - 1);
 159         if (copy_from_user(buf, user_buf, len))
 160                 return -EFAULT;
 161
 162         buf[len] = '\0';
 163         if (kstrtoul(buf, 0, &ani))
 164                 return -EINVAL;
 165
 166         if (ani < 0 || ani > 1)
 167                 return -EINVAL;
 168
 169         common->disable_ani = !ani;
 170
 171         if (common->disable_ani) {
 172                 clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
 173                 ath_stop_ani(sc);
 174         } else {
 175                 ath_check_ani(sc);
 176         }
 177
 178         return count;
 179 }
 180
 181 static const struct file_operations fops_ani = {
 182         .read = read_file_ani,
 183         .write = write_file_ani,
 184         .open = simple_open,
 185         .owner = THIS_MODULE,
 186         .llseek = default_llseek,
 187 };
 188
 189 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 190
 191 static ssize_t read_file_bt_ant_diversity(struct file *file,
 192                                           char __user *user_buf,
 193                                           size_t count, loff_t *ppos)
 194 {
 195         struct ath_softc *sc = file->private_data;
 196         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 197         char buf[32];
 198         unsigned int len;
 199
 200         len = sprintf(buf, "%d\n", common->bt_ant_diversity);
 201         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 202 }
 203
 204 static ssize_t write_file_bt_ant_diversity(struct file *file,
 205                                            const char __user *user_buf,
 206                                            size_t count, loff_t *ppos)
 207 {
 208         struct ath_softc *sc = file->private_data;
 209         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 210         struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
 211         unsigned long bt_ant_diversity;
 212         char buf[32];
 213         ssize_t len;
 214
 215         len = min(count, sizeof(buf) - 1);
 216         if (copy_from_user(buf, user_buf, len))
 217                 return -EFAULT;
 218
 219         if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
 220                 goto exit;
 221
 222         buf[len] = '\0';
 223         if (kstrtoul(buf, 0, &bt_ant_diversity))
 224                 return -EINVAL;
 225
 226         common->bt_ant_diversity = !!bt_ant_diversity;
 227         ath9k_ps_wakeup(sc);
 228         ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
 229         ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
 230                 common->bt_ant_diversity);
 231         ath9k_ps_restore(sc);
 232 exit:
 233         return count;
 234 }
 235
 236 static const struct file_operations fops_bt_ant_diversity = {
 237         .read = read_file_bt_ant_diversity,
 238         .write = write_file_bt_ant_diversity,
 239         .open = simple_open,
 240         .owner = THIS_MODULE,
 241         .llseek = default_llseek,
 242 };
 243
 244 #endif
 245
 246 void ath9k_debug_stat_ant(struct ath_softc *sc,
 247                           struct ath_hw_antcomb_conf *div_ant_conf,
 248                           int main_rssi_avg, int alt_rssi_avg)
 249 {
 250         struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
 251         struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
 252
 253         as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
 254         as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
 255
 256         as_main->rssi_avg = main_rssi_avg;
 257         as_alt->rssi_avg = alt_rssi_avg;
 258 }
 259
 260 static ssize_t read_file_antenna_diversity(struct file *file,
 261                                            char __user *user_buf,
 262                                            size_t count, loff_t *ppos)
 263 {
 264         struct ath_softc *sc = file->private_data;
 265         struct ath_hw *ah = sc->sc_ah;
 266         struct ath9k_hw_capabilities *pCap = &ah->caps;
 267         struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
 268         struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
 269         struct ath_hw_antcomb_conf div_ant_conf;
 270         unsigned int len = 0, size = 1024;
 271         ssize_t retval = 0;
 272         char *buf;
 273         char *lna_conf_str[4] = {"LNA1_MINUS_LNA2",
 274                                  "LNA2",
 275                                  "LNA1",
 276                                  "LNA1_PLUS_LNA2"};
 277
 278         buf = kzalloc(size, GFP_KERNEL);
 279         if (buf == NULL)
 280                 return -ENOMEM;
 281
 282         if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
 283                 len += snprintf(buf + len, size - len, "%s\n",
 284                                 "Antenna Diversity Combining is disabled");
 285                 goto exit;
 286         }
 287
 288         ath9k_ps_wakeup(sc);
 289         ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
 290         len += snprintf(buf + len, size - len, "Current MAIN config : %s\n",
 291                         lna_conf_str[div_ant_conf.main_lna_conf]);
 292         len += snprintf(buf + len, size - len, "Current ALT config  : %s\n",
 293                         lna_conf_str[div_ant_conf.alt_lna_conf]);
 294         len += snprintf(buf + len, size - len, "Average MAIN RSSI   : %d\n",
 295                         as_main->rssi_avg);
 296         len += snprintf(buf + len, size - len, "Average ALT RSSI    : %d\n\n",
 297                         as_alt->rssi_avg);
 298         ath9k_ps_restore(sc);
 299
 300         len += snprintf(buf + len, size - len, "Packet Receive Cnt:\n");
 301         len += snprintf(buf + len, size - len, "-------------------\n");
 302
 303         len += snprintf(buf + len, size - len, "%30s%15s\n",
 304                         "MAIN", "ALT");
 305         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 306                         "TOTAL COUNT",
 307                         as_main->recv_cnt,
 308                         as_alt->recv_cnt);
 309         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 310                         "LNA1",
 311                         as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
 312                         as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
 313         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 314                         "LNA2",
 315                         as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
 316                         as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
 317         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 318                         "LNA1 + LNA2",
 319                         as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
 320                         as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
 321         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 322                         "LNA1 - LNA2",
 323                         as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
 324                         as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
 325
 326         len += snprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
 327         len += snprintf(buf + len, size - len, "--------------------\n");
 328
 329         len += snprintf(buf + len, size - len, "%30s%15s\n",
 330                         "MAIN", "ALT");
 331         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 332                         "LNA1",
 333                         as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
 334                         as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
 335         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 336                         "LNA2",
 337                         as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
 338                         as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
 339         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 340                         "LNA1 + LNA2",
 341                         as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
 342                         as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
 343         len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
 344                         "LNA1 - LNA2",
 345                         as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
 346                         as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
 347
 348 exit:
 349         if (len > size)
 350                 len = size;
 351
 352         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 353         kfree(buf);
 354
 355         return retval;
 356 }
 357
 358 static const struct file_operations fops_antenna_diversity = {
 359         .read = read_file_antenna_diversity,
 360         .open = simple_open,
 361         .owner = THIS_MODULE,
 362         .llseek = default_llseek,
 363 };
 364
 365 static ssize_t read_file_dma(struct file *file, char __user *user_buf,
 366                              size_t count, loff_t *ppos)
 367 {
 368         struct ath_softc *sc = file->private_data;
 369         struct ath_hw *ah = sc->sc_ah;
 370         char *buf;
 371         int retval;
 372         unsigned int len = 0;
 373         u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
 374         int i, qcuOffset = 0, dcuOffset = 0;
 375         u32 *qcuBase = &val[0], *dcuBase = &val[4];
 376
 377         buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
 378         if (!buf)
 379                 return -ENOMEM;
 380
 381         ath9k_ps_wakeup(sc);
 382
 383         REG_WRITE_D(ah, AR_MACMISC,
 384                   ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
 385                    (AR_MACMISC_MISC_OBS_BUS_1 <<
 386                     AR_MACMISC_MISC_OBS_BUS_MSB_S)));
 387
 388         len += snprintf(buf + len, DMA_BUF_LEN - len,
 389                         "Raw DMA Debug values:\n");
 390
 391         for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
 392                 if (i % 4 == 0)
 393                         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 394
 395                 val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
 396                 len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
 397                                 i, val[i]);
 398         }
 399
 400         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
 401         len += snprintf(buf + len, DMA_BUF_LEN - len,
 402                         "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
 403
 404         for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
 405                 if (i == 8) {
 406                         qcuOffset = 0;
 407                         qcuBase++;
 408                 }
 409
 410                 if (i == 6) {
 411                         dcuOffset = 0;
 412                         dcuBase++;
 413                 }
 414
 415                 len += snprintf(buf + len, DMA_BUF_LEN - len,
 416                         "%2d          %2x      %1x     %2x           %2x\n",
 417                         i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
 418                         (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
 419                         val[2] & (0x7 << (i * 3)) >> (i * 3),
 420                         (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
 421         }
 422
 423         len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
 424
 425         len += snprintf(buf + len, DMA_BUF_LEN - len,
 426                 "qcu_stitch state:   %2x    qcu_fetch state:        %2x\n",
 427                 (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
 428         len += snprintf(buf + len, DMA_BUF_LEN - len,
 429                 "qcu_complete state: %2x    dcu_complete state:     %2x\n",
 430                 (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
 431         len += snprintf(buf + len, DMA_BUF_LEN - len,
 432                 "dcu_arb state:      %2x    dcu_fp state:           %2x\n",
 433                 (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
 434         len += snprintf(buf + len, DMA_BUF_LEN - len,
 435                 "chan_idle_dur:     %3d    chan_idle_dur_valid:     %1d\n",
 436                 (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
 437         len += snprintf(buf + len, DMA_BUF_LEN - len,
 438                 "txfifo_valid_0:      %1d    txfifo_valid_1:          %1d\n",
 439                 (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
 440         len += snprintf(buf + len, DMA_BUF_LEN - len,
 441                 "txfifo_dcu_num_0:   %2d    txfifo_dcu_num_1:       %2d\n",
 442                 (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
 443
 444         len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
 445                         REG_READ_D(ah, AR_OBS_BUS_1));
 446         len += snprintf(buf + len, DMA_BUF_LEN - len,
 447                         "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
 448
 449         ath9k_ps_restore(sc);
 450
 451         if (len > DMA_BUF_LEN)
 452                 len = DMA_BUF_LEN;
 453
 454         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 455         kfree(buf);
 456         return retval;
 457 }
 458
 459 static const struct file_operations fops_dma = {
 460         .read = read_file_dma,
 461         .open = simple_open,
 462         .owner = THIS_MODULE,
 463         .llseek = default_llseek,
 464 };
 465
 466
 467 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
 468 {
 469         if (status)
 470                 sc->debug.stats.istats.total++;
 471         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 472                 if (status & ATH9K_INT_RXLP)
 473                         sc->debug.stats.istats.rxlp++;
 474                 if (status & ATH9K_INT_RXHP)
 475                         sc->debug.stats.istats.rxhp++;
 476                 if (status & ATH9K_INT_BB_WATCHDOG)
 477                         sc->debug.stats.istats.bb_watchdog++;
 478         } else {
 479                 if (status & ATH9K_INT_RX)
 480                         sc->debug.stats.istats.rxok++;
 481         }
 482         if (status & ATH9K_INT_RXEOL)
 483                 sc->debug.stats.istats.rxeol++;
 484         if (status & ATH9K_INT_RXORN)
 485                 sc->debug.stats.istats.rxorn++;
 486         if (status & ATH9K_INT_TX)
 487                 sc->debug.stats.istats.txok++;
 488         if (status & ATH9K_INT_TXURN)
 489                 sc->debug.stats.istats.txurn++;
 490         if (status & ATH9K_INT_RXPHY)
 491                 sc->debug.stats.istats.rxphyerr++;
 492         if (status & ATH9K_INT_RXKCM)
 493                 sc->debug.stats.istats.rx_keycache_miss++;
 494         if (status & ATH9K_INT_SWBA)
 495                 sc->debug.stats.istats.swba++;
 496         if (status & ATH9K_INT_BMISS)
 497                 sc->debug.stats.istats.bmiss++;
 498         if (status & ATH9K_INT_BNR)
 499                 sc->debug.stats.istats.bnr++;
 500         if (status & ATH9K_INT_CST)
 501                 sc->debug.stats.istats.cst++;
 502         if (status & ATH9K_INT_GTT)
 503                 sc->debug.stats.istats.gtt++;
 504         if (status & ATH9K_INT_TIM)
 505                 sc->debug.stats.istats.tim++;
 506         if (status & ATH9K_INT_CABEND)
 507                 sc->debug.stats.istats.cabend++;
 508         if (status & ATH9K_INT_DTIMSYNC)
 509                 sc->debug.stats.istats.dtimsync++;
 510         if (status & ATH9K_INT_DTIM)
 511                 sc->debug.stats.istats.dtim++;
 512         if (status & ATH9K_INT_TSFOOR)
 513                 sc->debug.stats.istats.tsfoor++;
 514         if (status & ATH9K_INT_MCI)
 515                 sc->debug.stats.istats.mci++;
 516         if (status & ATH9K_INT_GENTIMER)
 517                 sc->debug.stats.istats.gen_timer++;
 518 }
 519
 520 static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
 521                                    size_t count, loff_t *ppos)
 522 {
 523         struct ath_softc *sc = file->private_data;
 524         unsigned int len = 0;
 525         int rv;
 526         int mxlen = 4000;
 527         char *buf = kmalloc(mxlen, GFP_KERNEL);
 528         if (!buf)
 529                 return -ENOMEM;
 530
 531 #define PR_IS(a, s)                                             \
 532         do {                                                    \
 533                 len += snprintf(buf + len, mxlen - len,         \
 534                                 "%21s: %10u\n", a,              \
 535                                 sc->debug.stats.istats.s);      \
 536         } while (0)
 537
 538         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
 539                 PR_IS("RXLP", rxlp);
 540                 PR_IS("RXHP", rxhp);
 541                 PR_IS("WATHDOG", bb_watchdog);
 542         } else {
 543                 PR_IS("RX", rxok);
 544         }
 545         PR_IS("RXEOL", rxeol);
 546         PR_IS("RXORN", rxorn);
 547         PR_IS("TX", txok);
 548         PR_IS("TXURN", txurn);
 549         PR_IS("MIB", mib);
 550         PR_IS("RXPHY", rxphyerr);
 551         PR_IS("RXKCM", rx_keycache_miss);
 552         PR_IS("SWBA", swba);
 553         PR_IS("BMISS", bmiss);
 554         PR_IS("BNR", bnr);
 555         PR_IS("CST", cst);
 556         PR_IS("GTT", gtt);
 557         PR_IS("TIM", tim);
 558         PR_IS("CABEND", cabend);
 559         PR_IS("DTIMSYNC", dtimsync);
 560         PR_IS("DTIM", dtim);
 561         PR_IS("TSFOOR", tsfoor);
 562         PR_IS("MCI", mci);
 563         PR_IS("GENTIMER", gen_timer);
 564         PR_IS("TOTAL", total);
 565
 566         len += snprintf(buf + len, mxlen - len,
 567                         "SYNC_CAUSE stats:\n");
 568
 569         PR_IS("Sync-All", sync_cause_all);
 570         PR_IS("RTC-IRQ", sync_rtc_irq);
 571         PR_IS("MAC-IRQ", sync_mac_irq);
 572         PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
 573         PR_IS("APB-Timeout", apb_timeout);
 574         PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
 575         PR_IS("HOST1-Fatal", host1_fatal);
 576         PR_IS("HOST1-Perr", host1_perr);
 577         PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
 578         PR_IS("RADM-CPL-EP", radm_cpl_ep);
 579         PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
 580         PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
 581         PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
 582         PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
 583         PR_IS("Local-Bus-Timeout", local_timeout);
 584         PR_IS("PM-Access", pm_access);
 585         PR_IS("MAC-Awake", mac_awake);
 586         PR_IS("MAC-Asleep", mac_asleep);
 587         PR_IS("MAC-Sleep-Access", mac_sleep_access);
 588
 589         if (len > mxlen)
 590                 len = mxlen;
 591
 592         rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 593         kfree(buf);
 594         return rv;
 595 }
 596
 597 static const struct file_operations fops_interrupt = {
 598         .read = read_file_interrupt,
 599         .open = simple_open,
 600         .owner = THIS_MODULE,
 601         .llseek = default_llseek,
 602 };
 603
 604 static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
 605                               size_t count, loff_t *ppos)
 606 {
 607         struct ath_softc *sc = file->private_data;
 608         char *buf;
 609         unsigned int len = 0, size = 2048;
 610         ssize_t retval = 0;
 611
 612         buf = kzalloc(size, GFP_KERNEL);
 613         if (buf == NULL)
 614                 return -ENOMEM;
 615
 616         len += sprintf(buf, "%30s %10s%10s%10s\n\n",
 617                        "BE", "BK", "VI", "VO");
 618
 619         PR("MPDUs Queued:    ", queued);
 620         PR("MPDUs Completed: ", completed);
 621         PR("MPDUs XRetried:  ", xretries);
 622         PR("Aggregates:      ", a_aggr);
 623         PR("AMPDUs Queued HW:", a_queued_hw);
 624         PR("AMPDUs Queued SW:", a_queued_sw);
 625         PR("AMPDUs Completed:", a_completed);
 626         PR("AMPDUs Retried:  ", a_retries);
 627         PR("AMPDUs XRetried: ", a_xretries);
 628         PR("TXERR Filtered:  ", txerr_filtered);
 629         PR("FIFO Underrun:   ", fifo_underrun);
 630         PR("TXOP Exceeded:   ", xtxop);
 631         PR("TXTIMER Expiry:  ", timer_exp);
 632         PR("DESC CFG Error:  ", desc_cfg_err);
 633         PR("DATA Underrun:   ", data_underrun);
 634         PR("DELIM Underrun:  ", delim_underrun);
 635         PR("TX-Pkts-All:     ", tx_pkts_all);
 636         PR("TX-Bytes-All:    ", tx_bytes_all);
 637         PR("HW-put-tx-buf:   ", puttxbuf);
 638         PR("HW-tx-start:     ", txstart);
 639         PR("HW-tx-proc-desc: ", txprocdesc);
 640         PR("TX-Failed:       ", txfailed);
 641
 642         if (len > size)
 643                 len = size;
 644
 645         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 646         kfree(buf);
 647
 648         return retval;
 649 }
 650
 651 static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
 652                            char *buf, ssize_t size)
 653 {
 654         ssize_t len = 0;
 655
 656         ath_txq_lock(sc, txq);
 657
 658         len += snprintf(buf + len, size - len, "%s: %d ",
 659                         "qnum", txq->axq_qnum);
 660         len += snprintf(buf + len, size - len, "%s: %2d ",
 661                         "qdepth", txq->axq_depth);
 662         len += snprintf(buf + len, size - len, "%s: %2d ",
 663                         "ampdu-depth", txq->axq_ampdu_depth);
 664         len += snprintf(buf + len, size - len, "%s: %3d ",
 665                         "pending", txq->pending_frames);
 666         len += snprintf(buf + len, size - len, "%s: %d\n",
 667                         "stopped", txq->stopped);
 668
 669         ath_txq_unlock(sc, txq);
 670         return len;
 671 }
 672
 673 static ssize_t read_file_queues(struct file *file, char __user *user_buf,
 674                                 size_t count, loff_t *ppos)
 675 {
 676         struct ath_softc *sc = file->private_data;
 677         struct ath_txq *txq;
 678         char *buf;
 679         unsigned int len = 0, size = 1024;
 680         ssize_t retval = 0;
 681         int i;
 682         char *qname[4] = {"VO", "VI", "BE", "BK"};
 683
 684         buf = kzalloc(size, GFP_KERNEL);
 685         if (buf == NULL)
 686                 return -ENOMEM;
 687
 688         for (i = 0; i < IEEE80211_NUM_ACS; i++) {
 689                 txq = sc->tx.txq_map[i];
 690                 len += snprintf(buf + len, size - len, "(%s):  ", qname[i]);
 691                 len += print_queue(sc, txq, buf + len, size - len);
 692         }
 693
 694         len += snprintf(buf + len, size - len, "(CAB): ");
 695         len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
 696
 697         if (len > size)
 698                 len = size;
 699
 700         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 701         kfree(buf);
 702
 703         return retval;
 704 }
 705
 706 static ssize_t read_file_misc(struct file *file, char __user *user_buf,
 707                               size_t count, loff_t *ppos)
 708 {
 709         struct ath_softc *sc = file->private_data;
 710         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 711         struct ieee80211_hw *hw = sc->hw;
 712         struct ath9k_vif_iter_data iter_data;
 713         char buf[512];
 714         unsigned int len = 0;
 715         ssize_t retval = 0;
 716         unsigned int reg;
 717         u32 rxfilter;
 718
 719         len += snprintf(buf + len, sizeof(buf) - len,
 720                         "BSSID: %pM\n", common->curbssid);
 721         len += snprintf(buf + len, sizeof(buf) - len,
 722                         "BSSID-MASK: %pM\n", common->bssidmask);
 723         len += snprintf(buf + len, sizeof(buf) - len,
 724                         "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
 725
 726         ath9k_ps_wakeup(sc);
 727         rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
 728         ath9k_ps_restore(sc);
 729
 730         len += snprintf(buf + len, sizeof(buf) - len,
 731                         "RXFILTER: 0x%x", rxfilter);
 732
 733         if (rxfilter & ATH9K_RX_FILTER_UCAST)
 734                 len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
 735         if (rxfilter & ATH9K_RX_FILTER_MCAST)
 736                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
 737         if (rxfilter & ATH9K_RX_FILTER_BCAST)
 738                 len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
 739         if (rxfilter & ATH9K_RX_FILTER_CONTROL)
 740                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
 741         if (rxfilter & ATH9K_RX_FILTER_BEACON)
 742                 len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
 743         if (rxfilter & ATH9K_RX_FILTER_PROM)
 744                 len += snprintf(buf + len, sizeof(buf) - len, " PROM");
 745         if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
 746                 len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
 747         if (rxfilter & ATH9K_RX_FILTER_PHYERR)
 748                 len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
 749         if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
 750                 len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
 751         if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
 752                 len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
 753         if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
 754                 len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
 755         if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
 756                 len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
 757         if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
 758                 len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
 759         if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
 760                 len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
 761
 762         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 763
 764         reg = sc->sc_ah->imask;
 765
 766         len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
 767
 768         if (reg & ATH9K_INT_SWBA)
 769                 len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
 770         if (reg & ATH9K_INT_BMISS)
 771                 len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
 772         if (reg & ATH9K_INT_CST)
 773                 len += snprintf(buf + len, sizeof(buf) - len, " CST");
 774         if (reg & ATH9K_INT_RX)
 775                 len += snprintf(buf + len, sizeof(buf) - len, " RX");
 776         if (reg & ATH9K_INT_RXHP)
 777                 len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
 778         if (reg & ATH9K_INT_RXLP)
 779                 len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
 780         if (reg & ATH9K_INT_BB_WATCHDOG)
 781                 len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
 782
 783         len += snprintf(buf + len, sizeof(buf) - len, "\n");
 784
 785         ath9k_calculate_iter_data(hw, NULL, &iter_data);
 786
 787         len += snprintf(buf + len, sizeof(buf) - len,
 788                         "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
 789                         " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
 790                         iter_data.naps, iter_data.nstations, iter_data.nmeshes,
 791                         iter_data.nwds, iter_data.nadhocs,
 792                         sc->nvifs, sc->nbcnvifs);
 793
 794         if (len > sizeof(buf))
 795                 len = sizeof(buf);
 796
 797         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 798         return retval;
 799 }
 800
 801 static ssize_t read_file_reset(struct file *file, char __user *user_buf,
 802                                size_t count, loff_t *ppos)
 803 {
 804         struct ath_softc *sc = file->private_data;
 805         char buf[512];
 806         unsigned int len = 0;
 807
 808         len += snprintf(buf + len, sizeof(buf) - len,
 809                         "%17s: %2d\n", "Baseband Hang",
 810                         sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
 811         len += snprintf(buf + len, sizeof(buf) - len,
 812                         "%17s: %2d\n", "Baseband Watchdog",
 813                         sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
 814         len += snprintf(buf + len, sizeof(buf) - len,
 815                         "%17s: %2d\n", "Fatal HW Error",
 816                         sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
 817         len += snprintf(buf + len, sizeof(buf) - len,
 818                         "%17s: %2d\n", "TX HW error",
 819                         sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
 820         len += snprintf(buf + len, sizeof(buf) - len,
 821                         "%17s: %2d\n", "TX Path Hang",
 822                         sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
 823         len += snprintf(buf + len, sizeof(buf) - len,
 824                         "%17s: %2d\n", "PLL RX Hang",
 825                         sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
 826         len += snprintf(buf + len, sizeof(buf) - len,
 827                         "%17s: %2d\n", "MCI Reset",
 828                         sc->debug.stats.reset[RESET_TYPE_MCI]);
 829
 830         if (len > sizeof(buf))
 831                 len = sizeof(buf);
 832
 833         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 834 }
 835
 836 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 837                        struct ath_tx_status *ts, struct ath_txq *txq,
 838                        unsigned int flags)
 839 {
 840         int qnum = txq->axq_qnum;
 841
 842         TX_STAT_INC(qnum, tx_pkts_all);
 843         sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
 844
 845         if (bf_isampdu(bf)) {
 846                 if (flags & ATH_TX_ERROR)
 847                         TX_STAT_INC(qnum, a_xretries);
 848                 else
 849                         TX_STAT_INC(qnum, a_completed);
 850         } else {
 851                 if (ts->ts_status & ATH9K_TXERR_XRETRY)
 852                         TX_STAT_INC(qnum, xretries);
 853                 else
 854                         TX_STAT_INC(qnum, completed);
 855         }
 856
 857         if (ts->ts_status & ATH9K_TXERR_FILT)
 858                 TX_STAT_INC(qnum, txerr_filtered);
 859         if (ts->ts_status & ATH9K_TXERR_FIFO)
 860                 TX_STAT_INC(qnum, fifo_underrun);
 861         if (ts->ts_status & ATH9K_TXERR_XTXOP)
 862                 TX_STAT_INC(qnum, xtxop);
 863         if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
 864                 TX_STAT_INC(qnum, timer_exp);
 865         if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
 866                 TX_STAT_INC(qnum, desc_cfg_err);
 867         if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
 868                 TX_STAT_INC(qnum, data_underrun);
 869         if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
 870                 TX_STAT_INC(qnum, delim_underrun);
 871 }
 872
 873 static const struct file_operations fops_xmit = {
 874         .read = read_file_xmit,
 875         .open = simple_open,
 876         .owner = THIS_MODULE,
 877         .llseek = default_llseek,
 878 };
 879
 880 static const struct file_operations fops_queues = {
 881         .read = read_file_queues,
 882         .open = simple_open,
 883         .owner = THIS_MODULE,
 884         .llseek = default_llseek,
 885 };
 886
 887 static const struct file_operations fops_misc = {
 888         .read = read_file_misc,
 889         .open = simple_open,
 890         .owner = THIS_MODULE,
 891         .llseek = default_llseek,
 892 };
 893
 894 static const struct file_operations fops_reset = {
 895         .read = read_file_reset,
 896         .open = simple_open,
 897         .owner = THIS_MODULE,
 898         .llseek = default_llseek,
 899 };
 900
 901 static ssize_t read_file_recv(struct file *file, char __user *user_buf,
 902                               size_t count, loff_t *ppos)
 903 {
 904 #define PHY_ERR(s, p) \
 905         len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
 906                         sc->debug.stats.rxstats.phy_err_stats[p]);
 907
 908 #define RXS_ERR(s, e)                                       \
 909         do {                                                \
 910                 len += snprintf(buf + len, size - len,      \
 911                                 "%22s : %10u\n", s,         \
 912                                 sc->debug.stats.rxstats.e); \
 913         } while (0)
 914
 915         struct ath_softc *sc = file->private_data;
 916         char *buf;
 917         unsigned int len = 0, size = 1600;
 918         ssize_t retval = 0;
 919
 920         buf = kzalloc(size, GFP_KERNEL);
 921         if (buf == NULL)
 922                 return -ENOMEM;
 923
 924         RXS_ERR("CRC ERR", crc_err);
 925         RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
 926         RXS_ERR("PHY ERR", phy_err);
 927         RXS_ERR("MIC ERR", mic_err);
 928         RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
 929         RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
 930         RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
 931         RXS_ERR("RX-LENGTH-ERR", rx_len_err);
 932         RXS_ERR("RX-OOM-ERR", rx_oom_err);
 933         RXS_ERR("RX-RATE-ERR", rx_rate_err);
 934         RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
 935
 936         PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
 937         PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
 938         PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
 939         PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
 940         PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
 941         PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
 942         PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
 943         PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
 944         PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
 945         PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
 946         PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
 947         PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
 948         PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
 949         PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
 950         PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
 951         PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
 952         PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
 953         PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
 954         PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
 955         PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
 956         PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
 957         PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
 958         PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
 959         PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
 960         PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
 961         PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
 962
 963         RXS_ERR("RX-Pkts-All", rx_pkts_all);
 964         RXS_ERR("RX-Bytes-All", rx_bytes_all);
 965         RXS_ERR("RX-Beacons", rx_beacons);
 966         RXS_ERR("RX-Frags", rx_frags);
 967         RXS_ERR("RX-Spectral", rx_spectral);
 968
 969         if (len > size)
 970                 len = size;
 971
 972         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
 973         kfree(buf);
 974
 975         return retval;
 976
 977 #undef RXS_ERR
 978 #undef PHY_ERR
 979 }
 980
 981 void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
 982 {
 983 #define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
 984
 985         RX_STAT_INC(rx_pkts_all);
 986         sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
 987
 988         if (rs->rs_status & ATH9K_RXERR_CRC)
 989                 RX_STAT_INC(crc_err);
 990         if (rs->rs_status & ATH9K_RXERR_DECRYPT)
 991                 RX_STAT_INC(decrypt_crc_err);
 992         if (rs->rs_status & ATH9K_RXERR_MIC)
 993                 RX_STAT_INC(mic_err);
 994         if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
 995                 RX_STAT_INC(pre_delim_crc_err);
 996         if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
 997                 RX_STAT_INC(post_delim_crc_err);
 998         if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
 999                 RX_STAT_INC(decrypt_busy_err);
1000
1001         if (rs->rs_status & ATH9K_RXERR_PHY) {
1002                 RX_STAT_INC(phy_err);
1003                 if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
1004                         RX_PHY_ERR_INC(rs->rs_phyerr);
1005         }
1006
1007 #undef RX_PHY_ERR_INC
1008 }
1009
1010 static const struct file_operations fops_recv = {
1011         .read = read_file_recv,
1012         .open = simple_open,
1013         .owner = THIS_MODULE,
1014         .llseek = default_llseek,
1015 };
1016
1017 static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
1018                                        size_t count, loff_t *ppos)
1019 {
1020         struct ath_softc *sc = file->private_data;
1021         char *mode = "";
1022         unsigned int len;
1023
1024         switch (sc->spectral_mode) {
1025         case SPECTRAL_DISABLED:
1026                 mode = "disable";
1027                 break;
1028         case SPECTRAL_BACKGROUND:
1029                 mode = "background";
1030                 break;
1031         case SPECTRAL_CHANSCAN:
1032                 mode = "chanscan";
1033                 break;
1034         case SPECTRAL_MANUAL:
1035                 mode = "manual";
1036                 break;
1037         }
1038         len = strlen(mode);
1039         return simple_read_from_buffer(user_buf, count, ppos, mode, len);
1040 }
1041
1042 static ssize_t write_file_spec_scan_ctl(struct file *file,
1043                                         const char __user *user_buf,
1044                                         size_t count, loff_t *ppos)
1045 {
1046         struct ath_softc *sc = file->private_data;
1047         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1048         char buf[32];
1049         ssize_t len;
1050
1051         len = min(count, sizeof(buf) - 1);
1052         if (copy_from_user(buf, user_buf, len))
1053                 return -EFAULT;
1054
1055         buf[len] = '\0';
1056
1057         if (strncmp("trigger", buf, 7) == 0) {
1058                 ath9k_spectral_scan_trigger(sc->hw);
1059         } else if (strncmp("background", buf, 9) == 0) {
1060                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
1061                 ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
1062         } else if (strncmp("chanscan", buf, 8) == 0) {
1063                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
1064                 ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
1065         } else if (strncmp("manual", buf, 6) == 0) {
1066                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
1067                 ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
1068         } else if (strncmp("disable", buf, 7) == 0) {
1069                 ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
1070                 ath_dbg(common, CONFIG, "spectral scan: disabled\n");
1071         } else {
1072                 return -EINVAL;
1073         }
1074
1075         return count;
1076 }
1077
1078 static const struct file_operations fops_spec_scan_ctl = {
1079         .read = read_file_spec_scan_ctl,
1080         .write = write_file_spec_scan_ctl,
1081         .open = simple_open,
1082         .owner = THIS_MODULE,
1083         .llseek = default_llseek,
1084 };
1085
1086 static ssize_t read_file_spectral_short_repeat(struct file *file,
1087                                                char __user *user_buf,
1088                                                size_t count, loff_t *ppos)
1089 {
1090         struct ath_softc *sc = file->private_data;
1091         char buf[32];
1092         unsigned int len;
1093
1094         len = sprintf(buf, "%d\n", sc->spec_config.short_repeat);
1095         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1096 }
1097
1098 static ssize_t write_file_spectral_short_repeat(struct file *file,
1099                                                 const char __user *user_buf,
1100                                                 size_t count, loff_t *ppos)
1101 {
1102         struct ath_softc *sc = file->private_data;
1103         unsigned long val;
1104         char buf[32];
1105         ssize_t len;
1106
1107         len = min(count, sizeof(buf) - 1);
1108         if (copy_from_user(buf, user_buf, len))
1109                 return -EFAULT;
1110
1111         buf[len] = '\0';
1112         if (kstrtoul(buf, 0, &val))
1113                 return -EINVAL;
1114
1115         if (val < 0 || val > 1)
1116                 return -EINVAL;
1117
1118         sc->spec_config.short_repeat = val;
1119         return count;
1120 }
1121
1122 static const struct file_operations fops_spectral_short_repeat = {
1123         .read = read_file_spectral_short_repeat,
1124         .write = write_file_spectral_short_repeat,
1125         .open = simple_open,
1126         .owner = THIS_MODULE,
1127         .llseek = default_llseek,
1128 };
1129
1130 static ssize_t read_file_spectral_count(struct file *file,
1131                                         char __user *user_buf,
1132                                         size_t count, loff_t *ppos)
1133 {
1134         struct ath_softc *sc = file->private_data;
1135         char buf[32];
1136         unsigned int len;
1137
1138         len = sprintf(buf, "%d\n", sc->spec_config.count);
1139         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1140 }
1141
1142 static ssize_t write_file_spectral_count(struct file *file,
1143                                          const char __user *user_buf,
1144                                          size_t count, loff_t *ppos)
1145 {
1146         struct ath_softc *sc = file->private_data;
1147         unsigned long val;
1148         char buf[32];
1149         ssize_t len;
1150
1151         len = min(count, sizeof(buf) - 1);
1152         if (copy_from_user(buf, user_buf, len))
1153                 return -EFAULT;
1154
1155         buf[len] = '\0';
1156         if (kstrtoul(buf, 0, &val))
1157                 return -EINVAL;
1158
1159         if (val < 0 || val > 255)
1160                 return -EINVAL;
1161
1162         sc->spec_config.count = val;
1163         return count;
1164 }
1165
1166 static const struct file_operations fops_spectral_count = {
1167         .read = read_file_spectral_count,
1168         .write = write_file_spectral_count,
1169         .open = simple_open,
1170         .owner = THIS_MODULE,
1171         .llseek = default_llseek,
1172 };
1173
1174 static ssize_t read_file_spectral_period(struct file *file,
1175                                          char __user *user_buf,
1176                                          size_t count, loff_t *ppos)
1177 {
1178         struct ath_softc *sc = file->private_data;
1179         char buf[32];
1180         unsigned int len;
1181
1182         len = sprintf(buf, "%d\n", sc->spec_config.period);
1183         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1184 }
1185
1186 static ssize_t write_file_spectral_period(struct file *file,
1187                                           const char __user *user_buf,
1188                                           size_t count, loff_t *ppos)
1189 {
1190         struct ath_softc *sc = file->private_data;
1191         unsigned long val;
1192         char buf[32];
1193         ssize_t len;
1194
1195         len = min(count, sizeof(buf) - 1);
1196         if (copy_from_user(buf, user_buf, len))
1197                 return -EFAULT;
1198
1199         buf[len] = '\0';
1200         if (kstrtoul(buf, 0, &val))
1201                 return -EINVAL;
1202
1203         if (val < 0 || val > 255)
1204                 return -EINVAL;
1205
1206         sc->spec_config.period = val;
1207         return count;
1208 }
1209
1210 static const struct file_operations fops_spectral_period = {
1211         .read = read_file_spectral_period,
1212         .write = write_file_spectral_period,
1213         .open = simple_open,
1214         .owner = THIS_MODULE,
1215         .llseek = default_llseek,
1216 };
1217
1218 static ssize_t read_file_spectral_fft_period(struct file *file,
1219                                              char __user *user_buf,
1220                                              size_t count, loff_t *ppos)
1221 {
1222         struct ath_softc *sc = file->private_data;
1223         char buf[32];
1224         unsigned int len;
1225
1226         len = sprintf(buf, "%d\n", sc->spec_config.fft_period);
1227         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1228 }
1229
1230 static ssize_t write_file_spectral_fft_period(struct file *file,
1231                                               const char __user *user_buf,
1232                                               size_t count, loff_t *ppos)
1233 {
1234         struct ath_softc *sc = file->private_data;
1235         unsigned long val;
1236         char buf[32];
1237         ssize_t len;
1238
1239         len = min(count, sizeof(buf) - 1);
1240         if (copy_from_user(buf, user_buf, len))
1241                 return -EFAULT;
1242
1243         buf[len] = '\0';
1244         if (kstrtoul(buf, 0, &val))
1245                 return -EINVAL;
1246
1247         if (val < 0 || val > 15)
1248                 return -EINVAL;
1249
1250         sc->spec_config.fft_period = val;
1251         return count;
1252 }
1253
1254 static const struct file_operations fops_spectral_fft_period = {
1255         .read = read_file_spectral_fft_period,
1256         .write = write_file_spectral_fft_period,
1257         .open = simple_open,
1258         .owner = THIS_MODULE,
1259         .llseek = default_llseek,
1260 };
1261
1262 static struct dentry *create_buf_file_handler(const char *filename,
1263                                               struct dentry *parent,
1264                                               umode_t mode,
1265                                               struct rchan_buf *buf,
1266                                               int *is_global)
1267 {
1268         struct dentry *buf_file;
1269
1270         buf_file = debugfs_create_file(filename, mode, parent, buf,
1271                                        &relay_file_operations);
1272         *is_global = 1;
1273         return buf_file;
1274 }
1275
1276 static int remove_buf_file_handler(struct dentry *dentry)
1277 {
1278         debugfs_remove(dentry);
1279
1280         return 0;
1281 }
1282
1283 void ath_debug_send_fft_sample(struct ath_softc *sc,
1284                                struct fft_sample_tlv *fft_sample_tlv)
1285 {
1286         int length;
1287         if (!sc->rfs_chan_spec_scan)
1288                 return;
1289
1290         length = __be16_to_cpu(fft_sample_tlv->length) +
1291                  sizeof(*fft_sample_tlv);
1292         relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
1293 }
1294
1295 static struct rchan_callbacks rfs_spec_scan_cb = {
1296         .create_buf_file = create_buf_file_handler,
1297         .remove_buf_file = remove_buf_file_handler,
1298 };
1299
1300
1301 static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
1302                                 size_t count, loff_t *ppos)
1303 {
1304         struct ath_softc *sc = file->private_data;
1305         char buf[32];
1306         unsigned int len;
1307
1308         len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
1309         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1310 }
1311
1312 static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
1313                              size_t count, loff_t *ppos)
1314 {
1315         struct ath_softc *sc = file->private_data;
1316         unsigned long regidx;
1317         char buf[32];
1318         ssize_t len;
1319
1320         len = min(count, sizeof(buf) - 1);
1321         if (copy_from_user(buf, user_buf, len))
1322                 return -EFAULT;
1323
1324         buf[len] = '\0';
1325         if (kstrtoul(buf, 0, &regidx))
1326                 return -EINVAL;
1327
1328         sc->debug.regidx = regidx;
1329         return count;
1330 }
1331
1332 static const struct file_operations fops_regidx = {
1333         .read = read_file_regidx,
1334         .write = write_file_regidx,
1335         .open = simple_open,
1336         .owner = THIS_MODULE,
1337         .llseek = default_llseek,
1338 };
1339
1340 static ssize_t read_file_regval(struct file *file, char __user *user_buf,
1341                              size_t count, loff_t *ppos)
1342 {
1343         struct ath_softc *sc = file->private_data;
1344         struct ath_hw *ah = sc->sc_ah;
1345         char buf[32];
1346         unsigned int len;
1347         u32 regval;
1348
1349         ath9k_ps_wakeup(sc);
1350         regval = REG_READ_D(ah, sc->debug.regidx);
1351         ath9k_ps_restore(sc);
1352         len = sprintf(buf, "0x%08x\n", regval);
1353         return simple_read_from_buffer(user_buf, count, ppos, buf, len);
1354 }
1355
1356 static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
1357                              size_t count, loff_t *ppos)
1358 {
1359         struct ath_softc *sc = file->private_data;
1360         struct ath_hw *ah = sc->sc_ah;
1361         unsigned long regval;
1362         char buf[32];
1363         ssize_t len;
1364
1365         len = min(count, sizeof(buf) - 1);
1366         if (copy_from_user(buf, user_buf, len))
1367                 return -EFAULT;
1368
1369         buf[len] = '\0';
1370         if (kstrtoul(buf, 0, &regval))
1371                 return -EINVAL;
1372
1373         ath9k_ps_wakeup(sc);
1374         REG_WRITE_D(ah, sc->debug.regidx, regval);
1375         ath9k_ps_restore(sc);
1376         return count;
1377 }
1378
1379 static const struct file_operations fops_regval = {
1380         .read = read_file_regval,
1381         .write = write_file_regval,
1382         .open = simple_open,
1383         .owner = THIS_MODULE,
1384         .llseek = default_llseek,
1385 };
1386
1387 #define REGDUMP_LINE_SIZE       20
1388
1389 static int open_file_regdump(struct inode *inode, struct file *file)
1390 {
1391         struct ath_softc *sc = inode->i_private;
1392         unsigned int len = 0;
1393         u8 *buf;
1394         int i;
1395         unsigned long num_regs, regdump_len, max_reg_offset;
1396
1397         max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
1398         num_regs = max_reg_offset / 4 + 1;
1399         regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
1400         buf = vmalloc(regdump_len);
1401         if (!buf)
1402                 return -ENOMEM;
1403
1404         ath9k_ps_wakeup(sc);
1405         for (i = 0; i < num_regs; i++)
1406                 len += scnprintf(buf + len, regdump_len - len,
1407                         "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
1408         ath9k_ps_restore(sc);
1409
1410         file->private_data = buf;
1411
1412         return 0;
1413 }
1414
1415 static const struct file_operations fops_regdump = {
1416         .open = open_file_regdump,
1417         .read = ath9k_debugfs_read_buf,
1418         .release = ath9k_debugfs_release_buf,
1419         .owner = THIS_MODULE,
1420         .llseek = default_llseek,/* read accesses f_pos */
1421 };
1422
1423 static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf,
1424                                     size_t count, loff_t *ppos)
1425 {
1426         struct ath_softc *sc = file->private_data;
1427         struct ath_hw *ah = sc->sc_ah;
1428         struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
1429         struct ath_common *common = ath9k_hw_common(ah);
1430         struct ieee80211_conf *conf = &common->hw->conf;
1431         u32 len = 0, size = 1500;
1432         u32 i, j;
1433         ssize_t retval = 0;
1434         char *buf;
1435         u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
1436         u8 nread;
1437
1438         buf = kzalloc(size, GFP_KERNEL);
1439         if (!buf)
1440                 return -ENOMEM;
1441
1442         len += snprintf(buf + len, size - len,
1443                         "Channel Noise Floor : %d\n", ah->noise);
1444         len += snprintf(buf + len, size - len,
1445                         "Chain | privNF | # Readings | NF Readings\n");
1446         for (i = 0; i < NUM_NF_READINGS; i++) {
1447                 if (!(chainmask & (1 << i)) ||
1448                     ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
1449                         continue;
1450
1451                 nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
1452                 len += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
1453                                 i, h[i].privNF, nread);
1454                 for (j = 0; j < nread; j++)
1455                         len += snprintf(buf + len, size - len,
1456                                         " %d", h[i].nfCalBuffer[j]);
1457                 len += snprintf(buf + len, size - len, "\n");
1458         }
1459
1460         if (len > size)
1461                 len = size;
1462
1463         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1464         kfree(buf);
1465
1466         return retval;
1467 }
1468
1469 static const struct file_operations fops_dump_nfcal = {
1470         .read = read_file_dump_nfcal,
1471         .open = simple_open,
1472         .owner = THIS_MODULE,
1473         .llseek = default_llseek,
1474 };
1475
1476 static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf,
1477                                      size_t count, loff_t *ppos)
1478 {
1479         struct ath_softc *sc = file->private_data;
1480         struct ath_hw *ah = sc->sc_ah;
1481         u32 len = 0, size = 1500;
1482         ssize_t retval = 0;
1483         char *buf;
1484
1485         buf = kzalloc(size, GFP_KERNEL);
1486         if (!buf)
1487                 return -ENOMEM;
1488
1489         len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
1490
1491         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1492         kfree(buf);
1493
1494         return retval;
1495 }
1496
1497 static const struct file_operations fops_base_eeprom = {
1498         .read = read_file_base_eeprom,
1499         .open = simple_open,
1500         .owner = THIS_MODULE,
1501         .llseek = default_llseek,
1502 };
1503
1504 static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf,
1505                                       size_t count, loff_t *ppos)
1506 {
1507         struct ath_softc *sc = file->private_data;
1508         struct ath_hw *ah = sc->sc_ah;
1509         u32 len = 0, size = 6000;
1510         char *buf;
1511         size_t retval;
1512
1513         buf = kzalloc(size, GFP_KERNEL);
1514         if (buf == NULL)
1515                 return -ENOMEM;
1516
1517         len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
1518
1519         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1520         kfree(buf);
1521
1522         return retval;
1523 }
1524
1525 static const struct file_operations fops_modal_eeprom = {
1526         .read = read_file_modal_eeprom,
1527         .open = simple_open,
1528         .owner = THIS_MODULE,
1529         .llseek = default_llseek,
1530 };
1531
1532 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1533 static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
1534                                 size_t count, loff_t *ppos)
1535 {
1536         struct ath_softc *sc = file->private_data;
1537         u32 len = 0, size = 1500;
1538         char *buf;
1539         size_t retval;
1540
1541         buf = kzalloc(size, GFP_KERNEL);
1542         if (buf == NULL)
1543                 return -ENOMEM;
1544
1545         if (!sc->sc_ah->common.btcoex_enabled) {
1546                 len = snprintf(buf, size, "%s\n",
1547                                "BTCOEX is disabled");
1548                 goto exit;
1549         }
1550
1551         len = ath9k_dump_btcoex(sc, buf, size);
1552 exit:
1553         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1554         kfree(buf);
1555
1556         return retval;
1557 }
1558
1559 static const struct file_operations fops_btcoex = {
1560         .read = read_file_btcoex,
1561         .open = simple_open,
1562         .owner = THIS_MODULE,
1563         .llseek = default_llseek,
1564 };
1565 #endif
1566
1567 static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
1568                                    size_t count, loff_t *ppos)
1569 {
1570         struct ath_node *an = file->private_data;
1571         struct ath_softc *sc = an->sc;
1572         struct ath_atx_tid *tid;
1573         struct ath_atx_ac *ac;
1574         struct ath_txq *txq;
1575         u32 len = 0, size = 4096;
1576         char *buf;
1577         size_t retval;
1578         int tidno, acno;
1579
1580         buf = kzalloc(size, GFP_KERNEL);
1581         if (buf == NULL)
1582                 return -ENOMEM;
1583
1584         if (!an->sta->ht_cap.ht_supported) {
1585                 len = snprintf(buf, size, "%s\n",
1586                                "HT not supported");
1587                 goto exit;
1588         }
1589
1590         len = snprintf(buf, size, "Max-AMPDU: %d\n",
1591                        an->maxampdu);
1592         len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
1593                         an->mpdudensity);
1594
1595         len += snprintf(buf + len, size - len,
1596                         "%2s%7s\n", "AC", "SCHED");
1597
1598         for (acno = 0, ac = &an->ac[acno];
1599              acno < IEEE80211_NUM_ACS; acno++, ac++) {
1600                 txq = ac->txq;
1601                 ath_txq_lock(sc, txq);
1602                 len += snprintf(buf + len, size - len,
1603                                 "%2d%7d\n",
1604                                 acno, ac->sched);
1605                 ath_txq_unlock(sc, txq);
1606         }
1607
1608         len += snprintf(buf + len, size - len,
1609                         "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
1610                         "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
1611                         "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
1612
1613         for (tidno = 0, tid = &an->tid[tidno];
1614              tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
1615                 txq = tid->ac->txq;
1616                 ath_txq_lock(sc, txq);
1617                 len += snprintf(buf + len, size - len,
1618                                 "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
1619                                 tid->tidno, tid->seq_start, tid->seq_next,
1620                                 tid->baw_size, tid->baw_head, tid->baw_tail,
1621                                 tid->bar_index, tid->sched, tid->paused);
1622                 ath_txq_unlock(sc, txq);
1623         }
1624 exit:
1625         retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
1626         kfree(buf);
1627
1628         return retval;
1629 }
1630
1631 static const struct file_operations fops_node_stat = {
1632         .read = read_file_node_stat,
1633         .open = simple_open,
1634         .owner = THIS_MODULE,
1635         .llseek = default_llseek,
1636 };
1637
1638 void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
1639                            struct ieee80211_vif *vif,
1640                            struct ieee80211_sta *sta,
1641                            struct dentry *dir)
1642 {
1643         struct ath_node *an = (struct ath_node *)sta->drv_priv;
1644         debugfs_create_file("node_stat", S_IRUGO, dir, an, &fops_node_stat);
1645 }
1646
1647 /* Ethtool support for get-stats */
1648
1649 #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
1650 static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
1651         "tx_pkts_nic",
1652         "tx_bytes_nic",
1653         "rx_pkts_nic",
1654         "rx_bytes_nic",
1655         AMKSTR(d_tx_pkts),
1656         AMKSTR(d_tx_bytes),
1657         AMKSTR(d_tx_mpdus_queued),
1658         AMKSTR(d_tx_mpdus_completed),
1659         AMKSTR(d_tx_mpdu_xretries),
1660         AMKSTR(d_tx_aggregates),
1661         AMKSTR(d_tx_ampdus_queued_hw),
1662         AMKSTR(d_tx_ampdus_queued_sw),
1663         AMKSTR(d_tx_ampdus_completed),
1664         AMKSTR(d_tx_ampdu_retries),
1665         AMKSTR(d_tx_ampdu_xretries),
1666         AMKSTR(d_tx_fifo_underrun),
1667         AMKSTR(d_tx_op_exceeded),
1668         AMKSTR(d_tx_timer_expiry),
1669         AMKSTR(d_tx_desc_cfg_err),
1670         AMKSTR(d_tx_data_underrun),
1671         AMKSTR(d_tx_delim_underrun),
1672         "d_rx_crc_err",
1673         "d_rx_decrypt_crc_err",
1674         "d_rx_phy_err",
1675         "d_rx_mic_err",
1676         "d_rx_pre_delim_crc_err",
1677         "d_rx_post_delim_crc_err",
1678         "d_rx_decrypt_busy_err",
1679
1680         "d_rx_phyerr_radar",
1681         "d_rx_phyerr_ofdm_timing",
1682         "d_rx_phyerr_cck_timing",
1683
1684 };
1685 #define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
1686
1687 void ath9k_get_et_strings(struct ieee80211_hw *hw,
1688                           struct ieee80211_vif *vif,
1689                           u32 sset, u8 *data)
1690 {
1691         if (sset == ETH_SS_STATS)
1692                 memcpy(data, *ath9k_gstrings_stats,
1693                        sizeof(ath9k_gstrings_stats));
1694 }
1695
1696 int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
1697                             struct ieee80211_vif *vif, int sset)
1698 {
1699         if (sset == ETH_SS_STATS)
1700                 return ATH9K_SSTATS_LEN;
1701         return 0;
1702 }
1703
1704 #define AWDATA(elem)                                                    \
1705         do {                                                            \
1706                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
1707                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
1708                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
1709                 data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
1710         } while (0)
1711
1712 #define AWDATA_RX(elem)                                         \
1713         do {                                                    \
1714                 data[i++] = sc->debug.stats.rxstats.elem;       \
1715         } while (0)
1716
1717 void ath9k_get_et_stats(struct ieee80211_hw *hw,
1718                         struct ieee80211_vif *vif,
1719                         struct ethtool_stats *stats, u64 *data)
1720 {
1721         struct ath_softc *sc = hw->priv;
1722         int i = 0;
1723
1724         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
1725                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
1726                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
1727                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
1728         data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
1729                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
1730                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
1731                      sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
1732         AWDATA_RX(rx_pkts_all);
1733         AWDATA_RX(rx_bytes_all);
1734
1735         AWDATA(tx_pkts_all);
1736         AWDATA(tx_bytes_all);
1737         AWDATA(queued);
1738         AWDATA(completed);
1739         AWDATA(xretries);
1740         AWDATA(a_aggr);
1741         AWDATA(a_queued_hw);
1742         AWDATA(a_queued_sw);
1743         AWDATA(a_completed);
1744         AWDATA(a_retries);
1745         AWDATA(a_xretries);
1746         AWDATA(fifo_underrun);
1747         AWDATA(xtxop);
1748         AWDATA(timer_exp);
1749         AWDATA(desc_cfg_err);
1750         AWDATA(data_underrun);
1751         AWDATA(delim_underrun);
1752
1753         AWDATA_RX(crc_err);
1754         AWDATA_RX(decrypt_crc_err);
1755         AWDATA_RX(phy_err);
1756         AWDATA_RX(mic_err);
1757         AWDATA_RX(pre_delim_crc_err);
1758         AWDATA_RX(post_delim_crc_err);
1759         AWDATA_RX(decrypt_busy_err);
1760
1761         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
1762         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
1763         AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
1764
1765         WARN_ON(i != ATH9K_SSTATS_LEN);
1766 }
1767
1768 void ath9k_deinit_debug(struct ath_softc *sc)
1769 {
1770         if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) {
1771                 relay_close(sc->rfs_chan_spec_scan);
1772                 sc->rfs_chan_spec_scan = NULL;
1773         }
1774 }
1775
1776 int ath9k_init_debug(struct ath_hw *ah)
1777 {
1778         struct ath_common *common = ath9k_hw_common(ah);
1779         struct ath_softc *sc = (struct ath_softc *) common->priv;
1780
1781         sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
1782                                                    sc->hw->wiphy->debugfsdir);
1783         if (!sc->debug.debugfs_phy)
1784                 return -ENOMEM;
1785
1786 #ifdef CONFIG_ATH_DEBUG
1787         debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1788                             sc, &fops_debug);
1789 #endif
1790
1791         ath9k_dfs_init_debug(sc);
1792
1793         debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
1794                             &fops_dma);
1795         debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
1796                             &fops_interrupt);
1797         debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
1798                             &fops_xmit);
1799         debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
1800                             &fops_queues);
1801         debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1802                            &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
1803         debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1804                            &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
1805         debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1806                            &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
1807         debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1808                            &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
1809         debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
1810                             &fops_misc);
1811         debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
1812                             &fops_reset);
1813         debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
1814                             &fops_recv);
1815         debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1816                           &ah->rxchainmask);
1817         debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
1818                           &ah->txchainmask);
1819         debugfs_create_file("ani", S_IRUSR | S_IWUSR,
1820                             sc->debug.debugfs_phy, sc, &fops_ani);
1821         debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1822                             &sc->sc_ah->config.enable_paprd);
1823         debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1824                             sc, &fops_regidx);
1825         debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
1826                             sc, &fops_regval);
1827         debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
1828                             sc->debug.debugfs_phy,
1829                             &ah->config.cwm_ignore_extcca);
1830         debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
1831                             &fops_regdump);
1832         debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
1833                             &fops_dump_nfcal);
1834         debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1835                             &fops_base_eeprom);
1836         debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
1837                             &fops_modal_eeprom);
1838         sc->rfs_chan_spec_scan = relay_open("spectral_scan",
1839                                             sc->debug.debugfs_phy,
1840                                             1024, 256, &rfs_spec_scan_cb,
1841                                             NULL);
1842         debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
1843                             sc->debug.debugfs_phy, sc,
1844                             &fops_spec_scan_ctl);
1845         debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
1846                             sc->debug.debugfs_phy, sc,
1847                             &fops_spectral_short_repeat);
1848         debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
1849                             sc->debug.debugfs_phy, sc, &fops_spectral_count);
1850         debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
1851                             sc->debug.debugfs_phy, sc, &fops_spectral_period);
1852         debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
1853                             sc->debug.debugfs_phy, sc,
1854                             &fops_spectral_fft_period);
1855         debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
1856                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
1857         debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
1858                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
1859         debugfs_create_file("antenna_diversity", S_IRUSR,
1860                             sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
1861 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1862         debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
1863                             sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
1864         debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
1865                             &fops_btcoex);
1866 #endif
1867         return 0;
1868 }